Monday 22 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 18:34 on Mon 22 Sep to 18:48 on Tue 23 Sep.

   1997-09-23T01:34:25Z → 1997-09-24T01:47:38Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:44–20:19 on the 22nd, 18:43–20:18 on the 23rd.

   pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 22nd and 5 of 95 on the 23rd.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

4. 04

   Tie-break

   Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

   priority: unstated → greater-coverage · margin 293 s < 300 s

5. 05

   Ruling

   Jitāṣṭamī, Tijuana, 1997: Monday 22 September.

   confidence: boundary (margin, tie-break-unstated)

Say it like this

In Tijuana, Jitāṣṭamī (Jitiya) 1997 falls on Monday 22 September. Aṣṭamī runs from 18:34 on Mon 22 Sep to 18:48 on Tue 23 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 5 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 53 s from a threshold: treat the date as contested.

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Who says what

Institutional rulings are recorded with a source address, and are never edited to agree.